diff --git a/source/Mockingboard.cpp b/source/Mockingboard.cpp
index ea2809cb..41123443 100644
--- a/source/Mockingboard.cpp
+++ b/source/Mockingboard.cpp
@@ -2063,7 +2063,7 @@ void MB_SetVolume(DWORD dwVolume, DWORD dwVolumeMax)
 
 	MockingboardVoice.nVolume = NewVolume(dwVolume, dwVolumeMax);
 
-	if(MockingboardVoice.bActive)
+	if (MockingboardVoice.bActive && !MockingboardVoice.bMute)
 		MockingboardVoice.lpDSBvoice->SetVolume(MockingboardVoice.nVolume);
 }
 
diff --git a/source/Speaker.cpp b/source/Speaker.cpp
index 7805fd36..165d61a7 100644
--- a/source/Speaker.cpp
+++ b/source/Speaker.cpp
@@ -873,7 +873,7 @@ void SpkrSetVolume(DWORD dwVolume, DWORD dwVolumeMax)
 
 	SpeakerVoice.nVolume = NewVolume(dwVolume, dwVolumeMax);
 
-	if(SpeakerVoice.bActive)
+	if (SpeakerVoice.bActive && !SpeakerVoice.bMute)
 		SpeakerVoice.lpDSBvoice->SetVolume(SpeakerVoice.nVolume);
 }